Sungjin Kim

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Class Most Helpful Review
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CLASSES

MATH 31AX
Workshop in Differential Calculus See Full Profile

Overall 3.6 Easiness 3.3 Workload 3.4 Clarity 4.3 Helpfulness 3.3

Most Helpful Review

Professor Kim's class is very organized and clear. Even though he is not the best and most interesting math professor out there, his classes are easy to follow and he does a lot of practices and recaps. He writes all his explanations on the board (in a way that I think is even better than the textbook), so you actually only need the textbook for his homework problems. His homework problems can be a little challenging, but they are still reasonable. The two midterms were very easy for me, while the final is a lot more challenging, but overall, if you do all his practices and review your homework and what he normally goes through in class (and keep a cool head during the exams), the class is not hard at all. He has a bit of an accent, but he can answer questions very well. I also went for office hours two days before the final and it was super helpful. I will recommend this professor to anybody.

(Jan. 2, 2015)
MATH 31B
Integration and Infinite Series See Full Profile

Overall 4.0 Easiness 3.4 Workload 3.1 Clarity 4.2 Helpfulness 3.5

Most Helpful Review

Taken during Fall 2014

Kim is an effective professor and explains concepts clearly. If you do not understand anything, he is open to answering questions on the spot during lecture. Else, his office hours are also useful. One downside is that he has an accent, but it is not hard to understand, and I got used to it after 1 or 2 lectures.

The pace of the class is good, as he omitted sections when he realized that he cannot cover them in time, instead of trying to rush through them.

I like the grading and structure of the class. You can drop the lower of your 2 midterms, provided your final is better. The 2 grading schemes are as follow: Final is 45%, midterms are 20% each or final is 55%, higher of midterms 30%. Homework is 15%.

There are 10 homework questions each week, with one week to work on them. 8 problems are from the textbook, and the remaining 2 are his own problems.
3 problems are marked, on a 10 points scale. I spent quite a bit of time on them each week (probably two to three hours), but they are doable.

He also sends practice problems and midterms, which means you don't have to go the test bank at all. Also, you should probably study these practice problems as he tends to put one or two similar questions on the midterm or final.

The class is curved at the end.

In other words, Kim is awesome, and 31B is pretty alright with him.

(Dec. 19, 2014)
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MATH 31BX
Workshop in Integral Calculus See Full Profile

Overall 4.0 Easiness 4.0 Workload 3.2 Clarity 4.5 Helpfulness 3.5

Most Helpful Review

Had him for both 31B and 32A. Pretty good professor overall. He lectures clearly and is easy to follow.
His office hour is super helpful since he is always willing to show you the answer in homework(which is closely related to the exams), and present some methods that can be used to solve problems in the exam. Be sure to do his practice exams!!!!!

Got A's in both classes.

(June 26, 2015)
MATH 32A
Calculus of Several Variables See Full Profile

Overall 4.1 Easiness 3.3 Workload 3.6 Clarity 4.0 Helpfulness 3.7

Most Helpful Review

Lectures
He made his class easy to take because he sent out his lecture notes beforehand and also did Bruincast. His lectures were useful when you looked at the notes afterwards for help on the homework. He did a fair number of examples in class. The material itself is not difficult. Having received a C+ in Math 31AB, the new material here was easier to digest. There is some multivariable stuff involving limits, so you should be careful there.

Grading Schemes
Scheme 1
Homework 15%
Midterm 1 20%
Midterm 2 20%
Final 45%

Scheme 2
Homework 15%
Better Midterm 30%
Final 55%

Homework
His homework load was fair (~10 problems per week) and the grader chose three easy problems to correct. If you somehow messed up, he would drop the lowest homework score.

Exams
They were easy. Unlike other professors, he didn't try to trick you with ridiculous functions and whatnot. I got 100% on the first midterm, 88% on the second, and 80% on the final. The medians were 93%, 83%, and 80%, respectively. Unfortunately, I ended with an 89% and received a B+. The class was too easy, so there was a traditional grading scale and no curve.

Office Hours
He had two office hours per week, but I only went once. He was nice about my question, but I preferred to attend my TA's office hours.

Pro-Tip
The only thing you need to study for exams are his practice exams. They are basically the same as his actual exams; don't bother with anything else he suggests that you study. For example, he taught Kepler's laws, but didn't test on them. I was paranoid about the final because I thought he would throw a curveball, so I studied some other things and didn't spend as much time on the practice final. The actual final was basically the same as his practice one. Cue my regrets.

tl;dr Take him for 32A, but make sure you are on top of his practice exams.

(June 18, 2015)
MATH 170A
Probability Theory See Full Profile

Overall 3.7 Easiness 2.8 Workload 3.2 Clarity 4.5 Helpfulness 3.2

Most Helpful Review

Professor Kim is a very professional instructor. His lecture is very organized and easy to follow. By using enough examples, the concept he taught are easy to be grasped. He replies the emails on time and gives a lot of hint on his homework. Most importantly, he provides practice exam and study guide for midterm and finals which are extremely helpful. As a student in UCLA, I do feel flattered to have a math professor who provides study guide and a whole lecture for review without any students ask for it! Overall, he is a good professor and I would not mind to choose him again if possible.

(July 28, 2015)
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